MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to redirector infrastructure or potentially malicious content. The document body text, though obfuscated, contains a URL that is also present in the heuristics, suggesting a deliberate attempt to lead users to malicious sites. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a link-farming or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.cc/pify?keyword=sudo+apt-+get+install+git
- http://files.copybyvan.com/uploads/1/3/1/4/131406717/8adc7a29e24eb1b.pdf
- http://files.vermontiaai.org/uploads/1/3/2/6/132682630/4069282.pdf
- http://files.givinginitiatives.org/uploads/1/3/1/3/131382955/bofun_datiwivej.pdf
- http://files.mezfantasypublishing.com/uploads/1/3/1/8/131858661/fatumebiwokuv.pdf
- http://files.cakencrumbs.co.uk/uploads/1/3/1/4/131408027/6dbf1.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0427/7446/2631/files/foboxeve.pdf
- https://cdn.shopify.com/s/files/1/0437/6995/4456/files/12436109481.pdf
- https://cdn.shopify.com/s/files/1/0431/4087/4408/files/93164806000.pdf
- https://cdn.shopify.com/s/files/1/0431/7016/8986/files/fadefifijig.pdf
- https://cdn.shopify.com/s/files/1/0431/0378/1015/files/wotufevezaranegosap.pdf
- https://cdn.shopify.com/s/files/1/0435/0581/1608/files/wosefefawolefupemilupi.pdf
- https://cdn.shopify.com/s/files/1/0435/3176/3864/files/vawajepigan.pdf
- https://cdn.shopify.com/s/files/1/0435/3975/9255/files/open_sublime_from_terminal_windows.pdf
- https://cdn.shopify.com/s/files/1/0439/7786/7422/files/jonojesixetebi.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/julanefiwozuxam.pdf
- https://cdn.shopify.com/s/files/1/0428/1732/3175/files/22111106041.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006a72.bin52f8ac08da0568a854e1000a4725707760f7dc5f51f74a21077b87868e3f2998 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A72 | 5164 bytes |
font_01_sfnt_off00007c1b.bin455a7fabda5edc5802c8b143ea1874fa2dbc66753cdb065fe343cb5e200ab230 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C1B | 10928 bytes |
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